Sea grapes in Sebastian, Florida

Sea grapes are native, salt-tolerant trees and shrubs, Coccoloba uvifera, with round, red-veined leaves that grow behind the dunes on the barrier island east of Sebastian and in many Indian River County yards.

For the sea grapes around Sebastian, UF/IFAS EDIS publication ST175 describes the species as reaching 35 to 50 feet tall with a 20 to 30 foot spread, typically forming a multi-stemmed vase shape if left unpruned (UF/IFAS EDIS). Its leaves are large, almost circular and leathery, 8 to 12 inches long, with distinctive red veins, and they frequently turn completely red before they fall in winter. The species is native to Florida, Central America, northwestern South America and the Caribbean, and belongs to the buckwheat family, Polygonaceae.

The coast is its habitat. ST175 calls sea grape excellent for seaside locations because it is highly salt and drought tolerant and needs full sun and sandy, well-drained soil. That is the setting along A1A from Sebastian Inlet south past Wabasso Beach, along the Orchid Island shoreline that faces the Atlantic.

Sea grapes are either male or female, and only the female plants near Sebastian carry the hanging clusters of grapes that ripen from green to purple in late summer.

The sexes are separate on every Sebastian sea grape. ST175 says the inconspicuous ivory flowers form on foot-long racemes and are followed by dense clusters of 3/4-inch green grapes on female trees only, ripening to a deep purple in late summer, and that males do not produce fruit (UF/IFAS EDIS). The grapes are often used to make jelly and are popular with birds and squirrels.

Local extension advice follows from that. The UF/IFAS Extension Indian River County blog says a landscape planting needs at least one male and one female sea grape for fruit, which is edible for wildlife and people, and that the leaves occasionally host the Cecropia moth, whose large green caterpillars carry stinging spines (UF/IFAS Extension Indian River County). The same post names sea grape among five favorite salt-tolerant natives for Indian River County coastal yards and says examples grow on the island side of Jaycee Park.

The fruit sits on protected plants. Florida's sea grape statute covers the plants themselves on public land, and the beach accesses east of Sebastian are public land, so any picking there happens on vegetation the state protects from cutting or removal.

Section 161.242 of the Florida Statutes protects sea grapes on Sebastian-area beaches by making it unlawful to cut, harvest, remove or eradicate them from public land, or from private land without the owner's consent.

The law is about sand, not fruit. Its stated purpose is to protect the beaches and shores of the state from erosion by preserving natural vegetative cover to bind the sand (Florida Statutes 161.242). It names two plants, sea oats and sea grapes, and it applies to any public land, which around Sebastian includes Sebastian Inlet State Park and the Indian River County beach parks.

Possession counts as proof. Under the statute, possession of sea grapes by anyone other than the owner of the land is prima facie evidence of a violation. A cut sea grape branch carried off a public beach in Indian River County is therefore a problem for the person carrying it, not only for the person who cut it.

Nurseries are the legal source for a Sebastian yard. Section 161.242 specifically allows licensed, certified nurserymen who grow sea grapes from seed or cuttings to sell them, explaining that the law's intent is to preserve and encourage native plants that are rapidly disappearing from the state. The section dates to chapter 65-458 of the Laws of Florida, passed in 1965, and was amended as recently as 2000. Last verified: October 10, 2026, on the Florida Legislature website.

Seaward of the coastal construction control line east of Sebastian, sea grapes count as protected dune vegetation, so trimming follows state rules and DEP guidelines rather than the owner's preference alone.

The line sets the jurisdiction. Section 161.053 says that once a coastal construction control line is established, no person, firm, corporation or governmental agency may damage or cause to be damaged a sand dune or the vegetation growing on it seaward of that line, except as the statute provides (Florida Statutes 161.053). On the Orchid Island beachfront north of Wabasso, that covers the sea grape thickets on the back dune.

DEP publishes the working rules for the Indian River County shoreline and the rest of the state. The Florida Department of Environmental Protection's CCCL Dune Plant Maintenance Guidelines set best management practices for the maintenance of sea grapes and other salt tolerant dune plants protected seaward of a coastal construction control line, and replaced the program's older seagrape trimming guidelines (Florida DEP). DEP's CCCL program says its permits protect sea turtles and dune plants, and it can be reached at 850-245-2094 (Florida DEP). Last verified: October 10, 2026, on the Florida DEP website.

Inland, the tree is easier to manage. ST175 says sea grape needs training cuts two or three times in its first 10 years so its multiple trunks are well attached, because it is susceptible to breakage, and that it must be hand pruned as a hedge because the large leaves do not shear well. The Indian River County extension blog suggests hand pruning every few years for these slow growers, advice that suits a sea grape hedge in a Sebastian yard along Indian River Drive.

The public beaches east of Sebastian, from Sebastian Inlet State Park to the Indian River County accesses inside the Archie Carr National Wildlife Refuge, are where the state sea grape protections apply, and county rules there keep visitors off the vegetated dunes.

The county posts the rule at each access. Indian River County's Ambersands Beach Access, at 12566 North Highway A1A, lies within the Archie Carr National Wildlife Refuge, and the county asks visitors to stay off the dunes, the vegetated areas west of the open beach, under County Ordinance 205.02.25 (Indian River County). The same page lists the usual park rules, including no pets, no alcohol, no open fires and no camping.

The legal logic is erosion control. Section 161.242 frames sea grape, alongside sea oats, as natural vegetative cover that binds the sand, and section 161.053 protects any vegetation growing on a dune seaward of the control line. That is the same coastline, from Sebastian Inlet to Wabasso Beach, where Indian River County ordinance and state law both treat the dune as off limits.

For yards, sea grape is a low-input native. ST175 rates sea grape resistant to pests and diseases overall, with a seagrape borer that can kill branches and a nipple gall that raises red bumps on the leaves, and says plants need watering only until established (UF/IFAS EDIS). The Indian River County extension blog adds that, like its other coastal natives, sea grape should not need added fertilizer once established, which keeps a Sebastian sea grape hedge off the fertilizer schedule altogether.